//Truncate a string (first argument) if it is longer than the given maximum string length (second argument). Return the truncated string with a ... ending.
function truncateString( str, num ) {
  if ( str.length > num ) {
    return `${str.slice( 0, num )}...`;
  } else {
    return str;
  }
}
console.log( truncateString( "Peter Piper picked a peck of pickled peppers", 11 ) )
console.log( truncateString( "A-tisket a-tasket A green and yellow basket", "A-tisket a-tasket A green and yellow basket".length, ) )
console.log( truncateString( "A-tisket a-tasket A green and yellow basket", "A-tisket a-tasket A green and yellow basket".length + 2 ) )
